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Class 425/175 - MEANS FORMING A MOLD; OR FLASK, PER SE


Subclass of Class 425 - Plastic article or earthenware shaping or treating: apparatus
Definition: Apparatus comprising (1) means for forming a mold or shaping
No. of patents: 111
Last issue date: 06/14/2011


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NumberTitleIssue Date
7959427Tool for making a cube corner retroreflector with limited range
Retroreflective articles having cube corner elements are disclosed, with the dihedral angle errors of the cube corner elements selected to limit the visibility range of the retroreflective article. Also disclosed are methods for making the cube corner elements and t...
06/14/2011
7931459Tool for manufacturing ceramic casting cores for turbomachine blades
A tool for manufacturing a casting core, for a turbomachine blade with a leading edge and a trailing edge, the core includes a thick part on the leading edge side and a thin part on the trailing edge side is disclosed. The tool includes first and second dies of the ...
04/26/2011
7585167Core locking assembly and method for orientation of asymmetric tooling
An apparatus and method is provided for injection molding an ophthalmic lens mold section having an optical surface and a non-optical surface opposite the optical surface. The apparatus includes a non-optical tool assembly for forming the non-optical surface of the ...
09/08/2009
7578667Dental mold flask
The invention relates to a dental mold flask (10) for production, in particular for injection molding, of dental molded parts, with at least two mold shells (12) via which a mold cavity (14) can be formed for introduction of polymerizable plasti...
08/25/2009
7507080Apparatus for the manufacture of muffles for the production of dental prosthetic parts
An apparatus for manufacturing muffles for producing dental prosthetic parts comprises a collar divided at least once in the peripheral direction to form a receiving space for an investment material in which at least one pattern for a dental prosthetic part is arran...
03/24/2009
7442023Molding tool
A die comprises metal-rich sections which form an inner wall and an outer wall of the die, respectively. Gradient sections are disposed adjacent to the metal-rich sections, respectively. Further, a ceramics-rich section is disposed between the gradient sections. A p...
10/28/2008
7370398Method of calibrating a clamping mechanism
A new and improved method for calibrating workpiece clamping mechanisms such that once a particular clamping mechanism is calibrated with respect to a particular workpiece to be clamped upon a support surface, the clamping mechanism will always clamp the workpiece w...
05/13/2008
7354263Multi dental flask system
A multi dental flask system. The system includes a boot, at least two dental flasks, a sleeve, and a wrench. The boot is affixed to a surface. The at least two dental flasks are stacked one on top of the other. A lowermost dental flask of the at least two dental fla...
04/08/2008
7311512Three-dimensional hard copy apparatus
A three-dimensional hard copy apparatus including: a shape forming unit including plural display pins having a contact unit, which selectively contacts a thermoplastic sheet, and moves relative to a display surface and is capable of forming a predetermined pattern; ...
12/25/2007
7277080Three dimensional dynamic display system
The display system comprises a screen (1) made of an array of metal triangular facets (30) which are driven in and out by an array of pneumatic pistons (2) located behind the screen (1). The rear ends of the pistons (2) are flexibl...
10/02/2007
7226187Bright decorative molded articles and molded articles located in the beam path of radar device
This invention provides a bright decorative molded article exhibiting a bright color, and particularly a gold color tone. Also, this invention provides a molded article located in the beam path of a radar device that allows only a small radio transmission loss. This...
06/05/2007
7178780Composite coating for mold insert and method for making a coated mold insert
A mold used to form a magnetic member includes a mold body having a mold opening, a mold support that supports the mold cavity, and a mold insert. The mold insert is disposed in the mold opening of the mold body to form a mold cavity. The mold insert is coated with ...
02/20/2007
7156641Mold for forming a contact lens and method of preventing formation of small strands of contact lens material during contact lens manufacture
This invention provides a mold for forming a contact lens comprising an overflow collector, which causes the overflow reactive mixture to be accumulated, and not to spread out as it would upon the typically flat surface of a prior art mold. This invention further pr...
01/02/2007
7156638Mold, molding system and molding machine for making ophthalmic devices
This invention provides a mold comprising a first mold half which works in conjunction with a second mold half for forming ophthalmic devices wherein said first mold half comprises at least one changeable cassette comprising inserts for forming said ophthalmic devic...
01/02/2007
7143990Apparatus and method for the production of ophthalmic lenses
An apparatus and method for the production of ophthalmic lenses, and particularly contact lenses, which minimizes damage of the lens in removal from the mold. The ophthalmic lens is produced in a mold having a male part and a female part that are placed in proximate...
12/05/2006
7108809Optical coupler replication arrangement and process
An optical coupler arrangement which is employed for replicating surface features of diverse types of optical devices. Also disclosed is to a novel method of accurately replicating surface features of optical devices; particularly through the utilization of the nove...
09/19/2006
7101920Water-soluble blocking wax formulation
The invention provides, in a first embodiment, a blocking wax composition. The blocking wax comprises from about 50 to about 90 weight percent of a water-soluble continuous phase and from about 10 to about 50 weight percent of a discontinuous solid phase filler that...
09/05/2006
7086850System and method for molding plastic gear suppressing shrinkage
A gear molding method for molding a plurality of plastic gears having a different number of ribs without changing costly gates uses a mold having a prescribed gear shape including a prescribed number of grooves substantially radially arranged in the mold. A prescrib...
08/08/2006
7083746Method of making an optical component, a mould for use in such method, and an optical component so produced
An optical component has working surfaces separated by neutral surfaces which constitute discontinuities between the working surfaces. The component is made by a method which comprises: forming, in a mould, surfaces complementary to the working and neutral surfaces ...
08/01/2006
7051290Graphical interface for receiving eyeglass prescription information
A high volume lens curing system is described. The high volume lens curing system is configured to cure multiple eyeglass lenses in a continuous manner. The lens curing system includes a computer-implemented method configured to collect prescription information, sav...
05/23/2006
7026180Screen-printing metal mask plate and method of resin-sealing vibrating part
A squeegee is slid over a metal mask plate so as to fill a sealing resin in a resin inflow space through a through hole, and the sealing resin, deposited on an outer surface of an electronic part that includes a vibrating part, is thermally set. A through hole that ...
04/11/2006
6942341Soft translating contact lens for presbyopia
A method of producing a master cast used in making a contact lens mold, comprising the steps of: rotating a master cast blank, having an outer surface, about a first rotational axis and cutting at lest one first surface onto the outer surface of the master cast blan...
09/13/2005
6923420Method of preparing a ceramic artificial crown and a preparation kit used therefor
A method of preparing a ceramic artificial crown by applying at least one kind of dental porcelain onto the surface of a ceramic core molded by heating and softening a ceramic material and putting it into a mold with the application of pressure followed by firing wh...
08/02/2005
6923635Adjustable frame support for pre formed mold
The invention comprises an adjustable frame for a the concave mold of a pre formed two piece mold having a convex mold and a concave mold adapted to be closed to mold a product. The adjustable frame has surrounding sides and a bottom with an open top to removably re...
08/02/2005
6918997Method of producing pulp moldings
A method of producing a pulp molded article comprising the steps of assembling splits (10, 11) each having a suction passageway and a papermaking screen (5) into a papermaking mold (1), filling the cavity of the papermaking mold (1) with ...
07/19/2005
6905105Apparatus for preparing a biocompatible matrix
An apparatus and method of using the apparatus to prepare a biocompatible biodegradable matrix capable of supporting cells to form an implantable or engraftable surgical device. A matrix-forming fluid is contained within a chamber defined by top and bottom surfaces ...
06/14/2005
6821461Method for moulding an optical lens and corresponding installation
A method for molding an optical lens by using two moulding shells and a closing element acting in the periphery thereof. The moulding shells are placed in holding elements. If necessary, one of the holding elements is made to rotate around a centering axis which is ...
11/23/2004
6796016Injection mould and method for making the same
An injection mould which comprises at least five modules aligned with each other. The five modules correspond to a first mould module and a second mould module to form a product cavity, a drive module for driving of sliders, an engaging module adapted, by applicatio...
09/28/2004
6780940Adhesive resin composition and method for separating adherends bonded together by the composition
The present invention relates to an adhesive resin composition comprising a heat-generating material (A) which generates heat when subjected to high frequency induction and a thermoplastic resin (B) modified with a monomer having a functional group which reacts with...
08/24/2004
6722273Sequential numbering machine for injection moulds
The numbering machine comprises a series of cams (2) and a series of wheels (3), each cam (2) being connected with a wheel (3), so that the turning of a cam (2) signifies the turning of a wheel (3). The cams (2) have ...
04/20/2004
6709617Prosthetic system
The device and method of the invention utilizes a vacuum pump, a casting device, first and second CIR Connectors, a connector cuff, a casting balloon, a heating chamber or oven, a supracondylar wedge, and a CIR alignment/vacuum forming jig to create a prosthetic dev...
03/23/2004
6660194Process for the preparation of dental prosthesis
A process for preparing a dental prosthesis is disclosed, including preparing a wax pattern of an objective dental prosthesis based on a duplicated model having an intraoral shape, investing the wax pattern in an investment material, and removing the wax ...
12/09/2003
6649093Method of manufacturing an optically scannable information carrier
The invention relates to a method of manufacturing a master mold (1), which is used to manufacture an optical information disc, such as a CD or DVD. According to the method, a substrate (3) is provided with a photosensitive layer (5), which is subsequentl...
11/18/2003
6551086Tire mold reinforcement
Making a tire mold having a plurality of complete tire mold segments (20) of epoxy resin mold material formed in the chambers (18) of segmental shoes (10) and having reinforced stand alone ribs (56) formed in recesses in the tread models mounted in the sh...
04/22/2003
6516866Method of simultaneously molding a meltable core and an overmold assembly
A simplified lost-core molding system that combines otherwise redundant features such as platens and hydraulic cylinders ordinarily found in separate core molding stations and product molding stations. The preferred system locates the core mold and the pr...
02/11/2003
6484776System for constructing a laminate
In one form of the present invention, a system for constructing a laminate (122) is disclosed. The system comprises a ply feeder (101) that sequentially stacks one or more plies (100) to form a ply stack (102). A computer (106) directs a laser (104) to cu...
11/26/2002
6352656Manufacturing method for metallic stamper and metallic stamper and, manufacturing method for optical disk substrate with the use of the stamper and optical disk fabricated by the manufacturing method
The present invention provides a method for manufacturing optical disk substrates whereby grooves and pits of optical disk substrates are formed highly accurately and finely, so that resulting optical disks can be of large-capacity and reduced in noise le...
03/05/2002
6305924Stacked laminate mold
A method of forming a stacked laminate mold. The method comprises the steps of: a) orienting a plurality of plates to have their respective major planes at a first angle relative to a fixed reference plane and parallel to one another, each of the plates i...
10/23/2001
6305661Mold for making rotationally asymmetric contact lenses
A mold is disclosed for making rotationally asymmetric contact lenses. The mold comprises a first concave or convex surface that is rotationally asymmetric for forming the surface of the contact lens thereagainst, a second concave or convex surface oppose...
10/23/2001
6299818Process and apparatus for molding jewelry
A new technique for efficiently manufacturing jewelry includes the use of a universal frame in combination with a low cost flexible mold. Various inserts can also be used to customize jewelry pieces made using the mold and frame. The material cured in the...
10/09/2001
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